Latham, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Latham, Illinois had a total population of 297, the 1083rd largest village in Illinois, with a median household income of $68,333, which is 18% lower than the state average. The poverty rate is 6.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.2x.
- Near full employment with an unemployment rate of just 1.9%.
Latham Quick Facts
How Latham Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 322 | 297 | -7.8% |
| Median household income | $76,667 | $68,333 | -10.9% |
| Median home value | $79,000 | $82,500 | +4.4% |
How Latham Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Latham Rankings in Illinois
Explore Illinois Rankings
Other Cities in Logan County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Lincoln | 13,281 | $57,340 | 17.0% | $124,300 |
| Atlanta | 1,580 | $80,972 | 8.1% | $134,400 |
| Mount Pulaski | 1,507 | $66,176 | 5.9% | $110,500 |
| San Jose | 557 | $55,809 | 30.7% | $76,800 |
| Elkhart | 533 | $108,594 | 4.9% | $121,600 |
| Hartsburg | 415 | $73,529 | 9.2% | $84,300 |
| Emden | 387 | $69,167 | 6.2% | $113,400 |
| Chestnut | 347 | $54,091 | 17.3% | $135,600 |
| Middletown | 249 | $52,188 | 35.5% | $60,000 |
| Broadwell | 248 | $61,250 | 8.9% | $107,300 |
Cities Similar to Latham
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Royal Lakes | 301 | N/A | $54,300 | 3.3% | 24.3% |
| Mount Clare | 292 | $66,875 | $102,500 | 14.2% | 20.1% |
| Cutler | 302 | $65,500 | $61,000 | 7.4% | 25.8% |
| Waltonville | 294 | $63,750 | $111,400 | 13.8% | 15.0% |
| Alma | 285 | $67,500 | $61,700 | 12.4% | 8.1% |
A note before these figures: with a population of 297, Latham's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Latham is a small community located in Illinois, within Logan County. The total population is 297. It ranks as the 1083rd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Latham is 47.5 years. This is 22% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Latham is $68,333. This is 18% lower than the state median of $83,390. It is also 15% lower than the national median of $80,734. The poverty rate stands at 6.8%. This is 42% lower than the state poverty rate of 11.8%. The unemployment rate is 1.9%. This is 67% lower than the state rate of 5.8%. The median home value is $82,500. Housing costs are 69% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.2x, Latham is one of the most affordable housing markets in the area. 85.0% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Latham is White (non-Hispanic), making up 81.5% of the population. Black or African American residents account for 6.4%. The Black or African American population (6.4%) is well below the state average of 13.3%. The Asian population (0.7%) is well below the state average of 5.9%.
Education
18.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 52% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.1%.
Data Sources & Methodology
All demographic data for Latham, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Latham, Illinois?
Latham, Illinois has a population of 297 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Latham, IL?
The median household income in Latham is $68,333, which is 15% lower than the national median of $80,734.
What is the poverty rate in Latham, IL?
The poverty rate in Latham is 6.8%. This means approximately 20 residents live below the federal poverty line.
What is the racial makeup of Latham, Illinois?
Latham's population is 81.5% White, 6.4% Black, 0.0% Hispanic/Latino, and 0.7% Asian.
What is the median home value in Latham, IL?
The median home value in Latham is $82,500. The home-value-to-income ratio is 1.2x.
How educated is Latham, Illinois?
18.2% of adults (25+) in Latham hold a bachelor's degree or higher, and 4.1% hold a graduate or professional degree.